<template>
  <div class="icons">
    <swiper :options="swiperOption">
      <swiper-slide 
        v-for="(page, index) of pages"
        :key="index"
      >
        <div class="icon" 
          v-for="item of page"
          :key="item.id"
        >
          <div class="icon-img">
            <img
              :src="item.imgUrl"
              alt=""
              class="icon-img-content"
            />
          </div>
          <p class="icon-desc">{{item.desc}}</p>
        </div>
      </swiper-slide>
    </swiper>
  </div>
</template>

<script>
export default {
  name: "HomeIcons",
  props: {
    list: Array
  },
  data () {
    return {
      swiperOption: {
        autoplay: false
      }
    }
  },
  computed: {
    pages () {
      const pages = []
      this.list.forEach((item,index)=>{
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style lang="stylus" scoped>
@import '~styles/varibles.styl';
@import '~styles/mixins.styl';

.icons >>> .swiper-container
  height 0
  padding-bottom 50%

.icon 
  position relative
  overflow hidden
  height 0
  float left
  width 25%
  padding-bottom 25%

  .icon-img
    position absolute
    top 0
    left 0
    right 0
    bottom .44rem
    box-sizing border-box
    padding .1rem

    .icon-img-content 
      display block
      margin 0 auto
      height 100%

  .icon-desc 
    position absolute
    left 0
    right 0
    bottom 0
    height .44rem
    line-height .44rem
    text-align center
    color $darkColor
    ellipsis()
</style>